Linear vs. non-linear archetype

[WhiteThunder777]

If one wants to know what being linear and non-linear means in yugioh custom card design, let's break down the pieces.

Linear means that the archetype plays in one specific way to end on one specific way.  For example, ABC Union end on the ABC Cannon whereas having A - Assault Core, B - Buster Drake, and C - Crush Wyvern.  Another example is Invoked where Aliester - the Invoker searches Invocation and ends up with Invoked Mechaba.  Linear decks have a pattern so you know how to play it as a sequence.  Know the correct sequence, you begun to play the archetype correctly as they will end on an end board.  However, that makes them prone to hand traps like Effect Veiler, Ash Blossom, Infinite Impermanence, etc as these are the "chokepoints" of the deck.

Non-linear archetypes are not very easily stopped like linear decks are.  Because if you hand trap them (e.g. Ash) they can still keep playing, but their endboard will be suboptimal.  These types of decks thrive on adaptability requiring maybe 2 or 3 hand traps just to slow them down or end their turn.  For example, Sky Stiker is highly versatile and adaptable, it can be used pure or as an engine.  The "chokepoints" of the archetype are not immediately apparent. They're more about flexibility than a desired endboard build.

For a linear archetype, the key is to work backwards, think of the endboard piece you want to achieve as YOUR clear win condition.  Then build it, and then work backwards to get everything you want.  Make sure the archetype is interactive on the opponent, as yugioh thrives on action and reaction on both players turns.  Make sure the board is reasonable but strong but reasonable,  limiting negates to 0 or 1. And have some recovery options as well. What are the chokepoints of your deck? 

Now for a non-linear archetype, what this means is adaptability.  Design versatile cards, multiple play styles, and make the cards synergize with one another.  
For both, you want to test out your decks and see where the deck is flawed.  Sometimes knowing your own deck can help you improve on deck building, as that is crucial.  And make sure the archetype has a unique identity so it feels fresh.